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# Sources
- [Nixos manual](https://nixos.org/nixos/manual/)
- [Arch Linux installation guide](https://wiki.archlinux.org/index.php/installation_guide)
- [Installation of NixOS with encrypted root, martijnvermaat](https://gist.github.com/martijnvermaat/76f2e24d0239470dd71050358b4d5134)
- [Installing NixOS, Chris Martin](https://chris-martin.org/2015/installing-nixos)
# Prepare and boot the installation media
Download NixOS ISO at https://nixos.org/download.html.
Write ISO to a USB stick:
```console
sudo dd if=nix.iso of=/dev/sdX bs=4M status=progress
```
Boot from the USB stick on the target machine.
Connect as sudo:
```console
sudo su
```
# SWAP size
Check your RAM with `top`.
Get the SWAP size according to your RAM size and if you need hibernation:
https://itsfoss.com/swap-size/
# Partition the disk
Use `lsblk` your show block devices.
Launch `gdisk /dev/<disk>`:
- verify the partition table with `v`,
- delete every partition with `d`,
- add a boot partition (ef00 EFI) of 500M with `n`,
- add a system partition (8300 Linux LVM) on the remaining space with `n`,
- write the partition table with `w`.
Encrypt your disk and open it:
```console
cryptsetup luksFormat /dev/<SYSTEM>
cryptsetup luksOpen /dev/<SYSTEM> crypted
```
Create swap and root logical volumes:
```console
pvcreate /dev/mapper/crypted
vgcreate vg /dev/mapper/crypted
lvcreate -L <ram-size>G -n swap vg
lvcreate -l '100%FREE' -n root vg
```
Format the partitions:
```console
mkfs.fat -F 32 -n BOOT /dev/<BOOT>
mkfs.ext4 -L nixos /dev/vg/root
mkswap -L swap /dev/vg/swap
```
Mount partitions
```console
mount /dev/vg/root /mnt
mkdir /mnt/boot
mount /dev/<BOOT> /mnt/boot
swapon /dev/vg/swap
```
# Connect to Internet
Note your wifi interface:
```console
ifconfig
```
Scan available ESSID with:
```console
iwlist <INTERFACE> scan | grep ESSID
```
Write `wpa_supplicant` configuration:
```console
wpa_passphrase <ESSID> | sudo tee /etc/wpa_supplicant.conf
```
Start `wpa_supplicant`:
```console
wpa_supplicant -B -i <INTERFACE> -c /etc/wpa_supplicant.conf
```
# Install
Generate configuration:
```console
nixos-generate-config --root /mnt
```
Rename disks by labels in `mnt/etc/nixos/hardware-configuration.nix`.
Complete `/mnt/etc/nixos/configuration.nix`
```nix
# Hostname
networking.hostName = "joris-laptop";
# Encryption
boot.initrd.luks.devices.root = {
device = "/dev/disk/by-uuid/<SYSTEM>";
preLVM = true;
allowDiscards = true;
};
# Network manager
networking.networkmanager.enable = true;
# Enable gpg agent
programs.gnupg.agent = {
enable = true;
pinentryFlavor = "tty";
enableSSHSupport = true;
};
# Create user
users.users.joris = {
isNormalUser = true;
extraGroups = [ "wheel" "networkmanager" ];
};
# Editor
environment.systemPackages = [ pkgs.vim ];
# Flakes
nix = {
package = pkgs.nixFlakes;
extraOptions = "experimental-features = nix-command flakes";
};
```
Install:
```console
nixos-install
```
Set user password:
```console
passwd joris
```
Reboot:
```console
reboot
```
If the system doesn’t boot, boot from the USB key, and:
```console
sudo su
cryptsetup luksOpen /dev/<SYSTEM> crypted
lvchange -a y /dev/vg/swap
lvchange -a y /dev/vg/root
mount /dev/vg/root /mnt
mount /dev/<BOOT> /mnt/boot
swapon /dev/vg/swap
```
# Import GPG key
Plug in recuperation key and check label with `lsblk`.
Decrypt and mount private backup:
```console
sudo cryptsetup luksOpen /dev/XXX secrets
sudo mkdir encrypted-storage
sudo mount /dev/mapper/secrets encrypted-storage
```
Import:
```console
gpg --import encrypted-storage/pubkey.asc
gpg --allow-secret-key-import --import encrypted-storage/privkey.asc
```
Trust:
```console
gpg --edit-key joris@guyonvarch.me
gpg> trust
```
Write SSH keygrip in `~/.gnupg/sshcontrol`:
```console
gpg2 -K --with-keygrip # [A] keygrip
```
Verify that SSH key is available:
```console
ssh-add -L
```
Unmount and close the encrypted volume:
```console
sudo umount encrypted-storage/
sudo cryptsetup luksClose secret
```
Unplug the volume.
# Clone the system
Connect to Internet:
```console
nmtui
```
Install git:
```console
nix-env -i git
```
Clone the configuration:
```console
git clone git@guyonvarch.me:/home/git/config /home/joris/code/config
cd code/config
git checkout main
```
Extract the system’s `hardware-configuration.nix`, and add it to `./hosts/joris/hardware/`.
Move aside the previous configuration:
```console
cp -r /etc/nixos config-old
sudo rm -rf /etc/nixos
```
Link `/etc/nixos` to the configuration:
```console
sudo ln -s /home/joris/code/config /etc/nixos
```
Disable automatic export of documents if it’s not the principal system.
Change network interface in `hosts/network/joris/connman.nix`.
Remove `.gnupg/.sshcontrol`
Build:
```console
nixos-rebuild switch
```
# Setup user environment
Create user directories:
```console
mkdir code documents downloads music pictures videos
```
Create `.less` to setup less keybindings from `.lesskey`:
```console
lesskey
```
Setup password store:
```console
git clone git@guyonvarch.me:/home/git/password-store.git .password-store
```
Get documents:
```console
duplicity restore rsync://guyonvarch.me/~/backups/documents documents
```
# Set up user services
Look at user services:
```console
systemctl --user list-units
systemctl --user list-timers --all
```
If services do not appear, run:
```console
systemctl --user daemon-reload
```
# Check hardware acceleration
“OpenGL renderer string” should not be llvm:
```console
nix-shell -p glxinfo --run "glxinfo | grep OpenGL"
```
# Synchronize
In order to link a device, use `cobang` to get the link from the QR code.
Then run:
```console
signal-cli addDevice --uri "uri"
```
If you get `NotFoundException`, you may have been too slow in the process.
|